<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
	<%
		String index=request.getParameter("index");
		if(index!=null && !"".equals(index)){
			Integer voteNum=(Integer)application.getAttribute(index);
			if(voteNum!=null){
				application.setAttribute(index, voteNum+1);
			}else{
				application.setAttribute(index, 1);
			}
		}
		response.sendRedirect("vote.jsp");
	 %>
</body>
</html>